diff --git a/Project.toml b/Project.toml
index 2177892..141dca4 100644
--- a/Project.toml
+++ b/Project.toml
@@ -20,7 +20,7 @@ LibAwsCal = "=1.0.0"
 LibAwsCommon = "=1.0.0"
 LibAwsCompression = "=1.0.0"
 LibAwsHTTP = "=1.0.0"
-LibAwsIO = "=1.0.0"
+LibAwsIO = "=1.0.0, 1"
 LibAwsMqtt = "=1.0.0"
 LibAwsSdkutils = "=1.0.0"
 aws_c_iot_jll = "=0.1.21"